홍성욱 Seo Yongsok 이본수 2024-01-13T12:33:07Z 2024-01-13T12:33:07Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/106888 English hybrid polymer film gas diffusion selectivity Selective gas diffusion in a hybrid polymer film Conference 1 NAMS Conference NAMS Conference US